[OpenWrt-Devel] [PATCH v2] mxs: update dts file for Duckbill
Michael Heimpold
mhei at heimpold.de
Sat Dec 6 17:32:49 EST 2014
- fix ethernet reset gpio
- fix bus width for micro SD card
- make I2C0 available
- make SPI0 available
- use the padconfig defintions from mxs-pinfunc.h
Signed-off-by: Michael Heimpold <mhei at heimpold.de>
---
Changelog:
- v2:
- added padconfig stuff
- v1:
- initial version
.../mxs/files/arch/arm/boot/dts/imx28-duckbill.dts | 47 ++++++++++++++------
1 file changed, 34 insertions(+), 13 deletions(-)
diff --git a/target/linux/mxs/files/arch/arm/boot/dts/imx28-duckbill.dts b/target/linux/mxs/files/arch/arm/boot/dts/imx28-duckbill.dts
index a5eb3c1..305b4d0 100644
--- a/target/linux/mxs/files/arch/arm/boot/dts/imx28-duckbill.dts
+++ b/target/linux/mxs/files/arch/arm/boot/dts/imx28-duckbill.dts
@@ -1,5 +1,5 @@
/*
- * Copyright (C) 2013 Michael Heimpold <mhei at heimpold.de>
+ * Copyright (C) 2013-2014 Michael Heimpold <mhei at heimpold.de>
*
* The code contained herein is licensed under the GNU General Public
* License. You may obtain a copy of the GNU General Public License
@@ -25,13 +25,28 @@
ssp0: ssp at 80010000 {
compatible = "fsl,imx28-mmc";
pinctrl-names = "default";
- pinctrl-0 = <&mmc0_8bit_pins_a
+ pinctrl-0 = <&mmc0_4bit_pins_a
&mmc0_cd_cfg &mmc0_sck_cfg>;
- bus-width = <8>;
+ bus-width = <4>;
vmmc-supply = <®_3p3v>;
status = "okay";
};
+ ssp2: ssp at 80014000 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ compatible = "fsl,imx28-spi";
+ pinctrl-names = "default";
+ pinctrl-0 = <&spi2_pins_a>;
+ status = "okay";
+
+ spidev: spidev at 0 {
+ compatible = "spidev";
+ reg = <0>;
+ spi-max-frequency = <1000000>;
+ };
+ };
+
pinctrl at 80018000 {
pinctrl-names = "default";
pinctrl-0 = <&hog_pins_a>;
@@ -39,27 +54,33 @@
hog_pins_a: hog at 0 {
reg = <0>;
fsl,pinmux-ids = <
- 0x40d3 /* MX28_PAD_ENET0_RX_CLK__GPIO_4_13, PHY Reset */
+ MX28_PAD_SSP0_DATA7__GPIO_2_7 /* PHY Reset */
>;
- fsl,drive-strength = <0>;
- fsl,voltage = <1>;
- fsl,pull-up = <0>;
+ fsl,drive-strength = <MXS_DRIVE_4mA>;
+ fsl,voltage = <MXS_VOLTAGE_HIGH>;
+ fsl,pull-up = <MXS_PULL_DISABLE>;
};
led_pins_a: led_gpio at 0 {
reg = <0>;
fsl,pinmux-ids = <
- 0x3043 /* MX28_PAD_AUART1_RX__GPIO_3_4 */
- 0x3053 /* MX28_PAD_AUART1_TX__GPIO_3_5 */
+ MX28_PAD_AUART1_RX__GPIO_3_4
+ MX28_PAD_AUART1_TX__GPIO_3_5
>;
- fsl,drive-strength = <0>;
- fsl,voltage = <1>;
- fsl,pull-up = <0>;
+ fsl,drive-strength = <MXS_DRIVE_4mA>;
+ fsl,voltage = <MXS_VOLTAGE_HIGH>;
+ fsl,pull-up = <MXS_PULL_DISABLE>;
};
};
};
apbx at 80040000 {
+ i2c0: i2c at 80058000 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&i2c0_pins_a>;
+ status = "okay";
+ };
+
duart: serial at 80074000 {
pinctrl-names = "default";
pinctrl-0 = <&duart_pins_a>;
@@ -82,7 +103,7 @@
pinctrl-names = "default";
pinctrl-0 = <&mac0_pins_a>;
phy-supply = <®_3p3v>;
- phy-reset-gpios = <&gpio4 13 0>;
+ phy-reset-gpios = <&gpio2 7 1>;
phy-reset-duration = <100>;
status = "okay";
};
--
1.7.10.4
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